To keep a stable vertical attitude for a top-hinged swinging door by preventing the rolling by adding a simple mechanism thereby securing smooth travel motion.

A top-hinged swinging door equipped with traveling bodies 1 at front and rear ends of its upper portion and suspended in a freely traveling manner from a rail 2 fixed to the bottom surface of a ceiling through the traveling bodies 1 has a stage 3 extended from the upper side surface of a door panel A of the top-hinged swinging door to diagonally upward, and a slide member 4 is attached rotatably to its upper end, and the horizontal slide member 4 is fitted smoothly and freely slidably to a guide rail 5 having a channel shaped cross section opening downward attached to the bottom surface of the ceiling in parallel to the rail 2 in the configuration.